Home / 53,180.57-73,389.48-30,517.76

Finding the Fourth Proportional to 53,180.57, 73,389.48 and 30,517.76

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Solution

The fourth proportional to 53,180.57, 73,389.48 and 30,517.76 is: 42,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.57 : 73,389.48 = 30,517.76 : x
  2. Step 2: Convert to fraction form
    53,180.57/73,389.48 = 30,517.76/x
  3. Step 3: Cross multiply
    53,180.57x = 73,389.48 × 30,517.76
  4. Step 4: Simplify right side
    53,180.57x = 2,239,682,537.16
  5. Step 5: Solve for x
    x = 2,239,682,537.16/53,180.57
  6. Step 6: Final answer
    x = 42,114.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.